Liquid purification or separation – Filter – Material
Reexamination Certificate
2008-06-10
2008-06-10
Fortuna, Ana (Department: 1797)
Liquid purification or separation
Filter
Material
C210S500270, C210S500390, C429S006000, C264S041000, C548S335100
Reexamination Certificate
active
07384552
ABSTRACT:
The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, because of its excellent chemical and thermal properties, be used in a variety of ways and is particularly useful as polymer electrolyte membrane (PEM) to produce membrane electrode units for PEM fuel cells.
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Calundann Gordon
Kiefer Joachim
Sansone Michael J.
Uensal Oemer
BASF Fuel Cell GmbH
Connolly Bove & Lodge & Hutz LLP
Fortuna Ana
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